CN216198182U

CN216198182U - Adjustable supporting device for coal mine tunneling

Info

Publication number: CN216198182U
Application number: CN202122528041.6U
Authority: CN
Inventors: 法聚龙; 李龙山
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-05
Anticipated expiration: 2031-10-20

Abstract

The utility model belongs to the technical field of coal mining, and particularly relates to an adjustable supporting device for coal mine tunneling, which comprises a protection plate, wherein a lifting assembly convenient for height adjustment is arranged below the protection plate; lifting unit is including lifter, mounting, rack plate, worm wheel and gear, protection plate bottom end fixedly connected with the lifter, through the lifting unit who sets up, can drive the worm wheel through rotating the worm, the worm wheel just can drive the gear in the outside and rotate in step, the gear can produce the meshing with the rack plate this moment, thereby can drive the rack plate and go up and down, just so can drive the lifter and realize going up and down, thereby can accomplish the regulation of height, and when going up and down to suitable height, can realize spacing to the lifter through spacing bolt, thereby can make to support more stable.

Description

Adjustable supporting device for coal mine tunneling

Technical Field

The utility model belongs to the technical field of coal mining, and particularly relates to an adjustable supporting device for coal mine tunneling.

Background

When the coal mine is tunneled, a supporting device is needed to be used for supporting the top of a coal mine tunneling layer, the supporting device can greatly improve the safety of tunneling operation, aiming at the supporting device, the height adjustment of most of the existing supporting devices is troublesome, the height adjustment cannot be rapidly carried out according to actual operation needs, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an adjustable supporting device for coal mine tunneling, which has the characteristic of height adjustment.

In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable supporting device for coal mine tunneling comprises a protection plate, wherein a lifting assembly convenient for height adjustment is arranged below the protection plate;

the lifting assembly comprises a lifting rod, a fixing part, a rack plate, a worm wheel and a gear, the bottom end of the protective plate is fixedly connected with the lifting rod, the outer side of the lifting rod is connected with the fixing part in a sliding mode, the inner side of the fixing part is rotatably connected with the worm, the outer side of the worm is meshed with the worm wheel, the front end of the worm wheel is fixedly connected with the gear, the outer side of the gear is meshed with the rack plate, and the rack plate is left to be located and fixedly connected with the lifting rod.

Preferably, the adjustable supporting device for coal mine excavation is characterized in that the lifting assembly further comprises a limiting bolt, the limiting bolt is in threaded connection with the inner side of the left end of the fixing piece on the left side, and the limiting bolt is in threaded connection with the lifting rod.

Preferably, the adjustable support device for coal mine excavation is provided with screw holes convenient for the limiting bolts to limit the left end of the lifting rod on the left side, the number of the screw holes is 4, and the screw holes are equidistantly arranged.

Preferably, the adjustable supporting device for coal mine excavation provided by the utility model further comprises a limiting block and a buffering piece, the top end of the outer side of the lifting rod is connected with the limiting block in a sliding manner, the limiting block is fixedly connected with the fixing piece, the buffering piece is connected to the inner side of the limiting block in a sliding manner, and the top end of the buffering piece is provided with a buffering spring.

The adjustable supporting device for coal mine tunneling is preferable to be further provided with a positioning assembly, the positioning assembly comprises a positioning piece, supporting legs, connecting rods and a rotating rod, the positioning piece is fixedly connected to the bottom end of the fixing piece, the supporting legs are rotatably connected to the outer side of the positioning piece, the connecting rods are rotatably connected to the bottom ends of the supporting legs close to one side of the positioning piece, the rotating rod is rotatably connected to the other end of the connecting rods, and the other end of the rotating rod is rotatably connected with the positioning piece.

Preferably, as an adjustable support device for coal mine excavation according to the present invention, the rotation angle of the leg is 0 ° to 60 °.

Preferably, the positioning assembly further comprises a manual telescopic rod, one side of the rotating rod, which is far away from the positioning piece, is rotatably connected with the manual telescopic rod, and the manual telescopic rod is rotatably connected with the positioning piece.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arranged lifting assembly, the worm can be rotated to drive the worm wheel to rotate, so that the worm wheel can drive the gear on the outer side to synchronously rotate, the gear can be meshed with the rack plate at the moment, the rack plate can be driven to lift, the lifting rod can be driven to lift, the height can be adjusted, and when the lifting rod is lifted to a proper height, the lifting rod can be limited through the limiting bolt, so that the support is more stable;

2. through the locating component who sets up, during the use, can insert the setting element ground in, because the setting element bottom is conical, it is very easy to insert ground like this, but the stability of setting element is not very high like this, can be through starting manual telescopic link this moment, drive the dwang and rotate, under the cooperation of connecting rod this moment, can realize effectual regulation to the angle of landing leg to be convenient for realize effectual support through the landing leg, just so can the stability of effectual increase location.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the lift assembly of the present invention;

FIG. 3 is a schematic view of the overall structure of the positioning assembly of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure:

1. a protection plate;

2. a lifting assembly; 21. a lifting rod; 22. a fixing member; 23. a rack plate; 24. a worm; 25. a worm gear; 26. a gear; 27. a limit bolt; 28. a limiting block; 29. a buffer member;

3. a positioning assembly; 31. a positioning member; 32. a support leg; 33. a connecting rod; 34. rotating the rod; 35. a manual telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1:

an adjustable supporting device for coal mine tunneling comprises a protection plate 1.

In this embodiment: at present at the in-process of carrying out the colliery tunnelling, can protect the top in coal seam through 1 cooperation support of guard plate, but the present majority is used for supporting 1 support of guard plate to be fixed the setting more, can not carry out the regulation of height, some can realize going up and down, but the operation is comparatively troublesome, the regulation of realization height that can not be quick, can't satisfy the protection needs of co-altitude not, through adding lifting unit 2, not only can be very convenient realization to the regulation of 1 height of guard plate, and stability is also very high, can satisfy the protection needs of co-altitude not, borrow this on the basis to add lifting unit 2.

Further, the method comprises the following steps:

as shown in fig. 1, 2 and 4:

with the above in mind: this lifting unit 2 is including lifter 21, mounting 22, rack plate 23, worm 24, worm wheel 25 and gear 26, 1 bottom fixedly connected with lifter 21 of guard plate, the outside sliding connection of lifter 21 has mounting 22, be located left mounting 22 inboard and rotate and be connected with worm 24, the meshing is connected with worm wheel 25 in the worm 24 outside, worm wheel 25 front end fixedly connected with gear 26, the meshing is connected with rack plate 23 in the gear 26 outside, rack plate 23 and the left lifter 21 fixed connection that is located.

In this embodiment: during the use, when needs adapt to not co-altitude strut needs, just need adjust the height of guard plate 1, at this moment, can be through rotating worm 24 to can drive worm wheel 25 and rotate, worm wheel 25 just can be located the gear 26 of front end and rotate like this, carry out the pivoted in-process at gear 26, can drive rack plate 23 and carry out the elevating movement, thereby can realize the altitude mixture control to lifter 21 through the lift that drives rack plate 23, just so can satisfy co-altitude strut needs.

It should be noted that: only two lifting rods 21 on the left side are not connected with the rack plate 23, the other two lifting rods 21 on the right side are connected with the two fixing pieces 22 on the right side in a sliding mode, and no other structure is arranged inside the fixing pieces 22 on the right side, so that the height can be adjusted only by adjusting the height of the lifting rods 21 on the left side.

Further, the method comprises the following steps of;

in an alternative embodiment, the lifting assembly 2 further comprises a limit bolt 27, the limit bolt 27 is screwed on the inner side of the left end of the fixing member 22 on the left side, and the limit bolt 27 is screwed with the lifting rod 21.

In this embodiment: therefore, the lifting rod 21 after the lifting adjustment is completed can be effectively limited by rotating the limiting bolt 27, so that the stability and the safety can be improved.

Further, the method comprises the following steps of;

in an alternative embodiment, the inner side of the left end of the lifting rod 21 on the left side is provided with screw holes for limiting the limiting bolts 27, the number of the screw holes is 4, and the screw holes are arranged at equal intervals.

In this embodiment: therefore, the limit of the lifting rod 21 at four different heights can be realized through one limit bolt 27, and the use requirements of different heights can be met.

Further, the method comprises the following steps of;

in an optional embodiment, the lifting assembly 2 further includes a limiting block 28 and a buffering member 29, the limiting block 28 is slidably connected to the top end of the outer side of the lifting rod 21, the limiting block 28 is fixedly connected to the fixing member 22, the buffering member 29 is slidably connected to the inner side of the limiting block 28, and a buffering spring is disposed at the top end of the buffering member 29.

In this embodiment: like this when rack plate 23 certain height of rebound, can produce the contact with bolster 29, can extrude the buffer spring who is located bolster 29 top this moment to can avoid rack plate 23 directly to produce the contact with stopper 28, avoid producing the collision, stopper 28 can carry out effectual spacing to lifter 21 in addition, and the lifter 21 of being convenient for slides from top to bottom.

As shown in fig. 3:

this colliery is tunneled with supporting device with adjustable still including locating component 3, locating component 3 is including setting element 31, landing leg 32, connecting rod 33 and

dwang

34, 22 bottom fixedly connected with setting element 31 of mounting, and the setting element 31 outside is rotated and is connected with landing leg 32, and the bottom that landing leg 32 is close to setting element 31 one side is rotated and is connected with connecting rod 33, and the connecting rod 33 other end is rotated and is connected with dwang 34, and the dwang 34 other end is rotated with setting element 31 and is connected.

In this embodiment: therefore, the positioning piece 31 can be inserted into the ground, the lower end of the positioning piece 31 is conical, so that the positioning piece can be easily inserted into the ground, the supporting legs 32 are outwards rotated, the supporting legs 32 are contacted with the ground, and the supporting of the connecting rod 33 and the rotating rod 34 is matched, so that the limiting is more stable.

Further, the method comprises the following steps of;

in an alternative embodiment, leg 32 is rotated through an angle of 0 to 60.

In this embodiment: therefore, the rotating range of the supporting leg 32 can be adjusted according to the actual use requirement, and the supporting leg 32 can be conveniently folded and unfolded.

Further, the method comprises the following steps of;

in an alternative embodiment, the positioning assembly 3 further includes a manual extension rod 35, the side of the rotation rod 34 away from the positioning member 31 is rotatably connected to the manual extension rod 35, and the manual extension rod 35 is rotatably connected to the positioning member 31.

In this embodiment: can drive dwang 34 through manual telescopic link 35 like this and rotate, at this moment under the cooperation of connecting rod 33, can realize effectual regulation to the angle of landing leg 32 to can effectual increase the stability of location.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a colliery is supporting device for tunnelling with adjustable, includes guard plate (1), its characterized in that: a lifting component (2) convenient for height adjustment is arranged below the protection plate (1);

lifting unit (2) is including lifter (21), mounting (22), rack plate (23), worm (24), worm wheel (25) and gear (26), guard plate (1) bottom fixedly connected with lifter (21), lifter (21) outside sliding connection has mounting (22) is located the left mounting (22) inboard is rotated and is connected with worm (24), worm (24) outside meshing is connected with worm wheel (25), worm wheel (25) front end fixedly connected with gear (26), gear (26) outside meshing is connected with rack plate (23), rack plate (23) with be located the left lifter (21) fixed connection.

2. An adjustable coal mine tunnelling support device as claimed in claim 1, which includes: the lifting component (2) further comprises a limiting bolt (27), the inner side of the left end of the fixing part (22) on the left side is in threaded connection with the limiting bolt (27), and the limiting bolt (27) is in threaded connection with the lifting rod (21).

3. An adjustable coal mine tunnelling support device as claimed in claim 2, in which: be located the left lifter (21) left end inboard seted up be convenient for spacing bolt (27) carry out spacing screw, the total 4 of number of screw, and the screw is equidistant form and sets up.

4. An adjustable coal mine tunnelling support device as claimed in claim 1, which includes: lifting unit (2) still include stopper (28) and buffer (29), lifter (21) outside top sliding connection has stopper (28), stopper (28) with mounting (22) fixed connection, stopper (28) inboard sliding connection has buffer (29), buffer (29) top is equipped with buffer spring.

5. An adjustable coal mine tunnelling support device as claimed in claim 1, which includes: still including locating component (3), locating component (3) are including setting element (31), landing leg (32), connecting rod (33) and dwang (34), mounting (22) bottom fixedly connected with setting element (31), setting element (31) outside is rotated and is connected with landing leg (32), landing leg (32) are close to the bottom rotation of setting element (31) one side is connected with connecting rod (33), connecting rod (33) other end is rotated and is connected with dwang (34), dwang (34) the other end with setting element (31) is rotated and is connected.

6. An adjustable coal mine tunnelling support device as claimed in claim 5, which includes: the rotation angle of the supporting leg (32) is 0-60 degrees.

7. An adjustable coal mine tunnelling support device as claimed in claim 5, which includes: locating component (3) still including manual telescopic link (35), dwang (34) are kept away from one side of setting element (31) is rotated and is connected with manual telescopic link (35), manual telescopic link (35) with setting element (31) rotate and are connected.